Home / 3,929.90-5,896.12-1,465.07

Finding the Fourth Proportional to 3,929.90, 5,896.12 and 1,465.07

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Solution

The fourth proportional to 3,929.90, 5,896.12 and 1,465.07 is: 2,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.90 : 5,896.12 = 1,465.07 : x
  2. Step 2: Convert to fraction form
    3,929.90/5,896.12 = 1,465.07/x
  3. Step 3: Cross multiply
    3,929.90x = 5,896.12 × 1,465.07
  4. Step 4: Simplify right side
    3,929.90x = 8,638,228.53
  5. Step 5: Solve for x
    x = 8,638,228.53/3,929.90
  6. Step 6: Final answer
    x = 2,198.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.